A nurse is developing a plan of care for a newborn who is to undergo phototherapy for hyperbillirubinemia. Which of the following actions should the nurse include in the plan?

1) feed the newborn 1 oz of water every 4 hours
2) apply lotion to the newborn's skin three times a day
3) remove all clothing from the newborn except the diaper
4) discontinue therapy if the newborn develops a rash